What is ASN AS138678?

ASN AS138678 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS138678?

AS138678 is listed under Grandbo Technology Development Corporation.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS138678 Grandbo Technology Development Corporation

Grandbo Technology Development Corporation grandbo.com.ph

PH 3 Routes

AS Data

AS138678

AS138678 – Grandbo Technology Development Corporation

AS Number	138678
AS Name	GTDC-AS-AP
Organization	Grandbo Technology Development Corporation (org-gtdc2-ap)
Country	PH
Website	grandbo.com.ph
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS138678 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.144.0.0/24	AS138678	Grandbo Technology Development Corporation	Nanyang Telecom Inc	256
103.144.1.0/24	AS138678	Grandbo Technology Development Corporation	Nanyang Telecom Inc	256
2001:df1:a480::/48	AS138678	Grandbo Technology Development Corporation	Nanyang Telecom Inc	~1×10²⁴

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS138554 - AS139577'

as-block:       AS138554 - AS139577
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2017-12-08T06:45:58Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS138678'

% Abuse contact for 'AS138678' is 'noc@grandbo.com.ph'

aut-num:        AS138678
as-name:        GTDC-AS-AP
descr:          Grandbo Technology Development Corporation
country:        PH
org:            ORG-GTDC2-AP
admin-c:        GTDC3-AP
tech-c:         GTDC3-AP
abuse-c:        AG700-AP
mnt-routes:     MAINT-GTDC-PH
mnt-by:         APNIC-HM
mnt-lower:      MAINT-GTDC-PH
mnt-irt:        IRT-GTDC-PH
last-modified:  2020-11-24T00:10:36Z
source:         APNIC

irt:            IRT-GTDC-PH
address:        Unit 517 Avida Cityflex Towers, 7th Ave., Fort Bonifacio, Taguig City Metro Manila 1630
e-mail:         noc@grandbo.com.ph
abuse-mailbox:  noc@grandbo.com.ph
admin-c:        GTDC3-AP
tech-c:         GTDC3-AP
auth:           # Filtered
remarks:        noc@grandbo.com.ph
remarks:        noc@grandbo.com.ph was validated on 2026-01-21
mnt-by:         MAINT-GTDC-PH
last-modified:  2026-01-21T05:10:09Z
source:         APNIC

organisation:   ORG-GTDC2-AP
org-name:       Grandbo Technology Development Corporation
org-type:       LIR
country:        PH
address:        Unit 517 Avida Cityflex Towers, 7th Ave., Fort Bonifacio
phone:          +6329017309
e-mail:         rlemque0311@grandbo.com.ph
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:46Z
source:         APNIC

role:           ABUSE GTDCPH
country:        ZZ
address:        Unit 517 Avida Cityflex Towers, 7th Ave., Fort Bonifacio, Taguig City Metro Manila 1630
phone:          +000000000
e-mail:         noc@grandbo.com.ph
admin-c:        GTDC3-AP
tech-c:         GTDC3-AP
nic-hdl:        AG700-AP
remarks:        Generated from irt object IRT-GTDC-PH
remarks:        noc@grandbo.com.ph was validated on 2026-01-21
abuse-mailbox:  noc@grandbo.com.ph
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-21T05:10:25Z
source:         APNIC

role:           Grandbo Technology Development Corporation adminis
address:        Unit 517 Avida Cityflex Towers, 7th Ave., Fort Bonifacio, Taguig City Metro Manila 1630
country:        PH
phone:          +6329017309
e-mail:         rlemque0311@grandbo.com.ph
admin-c:        GTDC3-AP
tech-c:         GTDC3-AP
nic-hdl:        GTDC3-AP
mnt-by:         MAINT-GTDC-PH
last-modified:  2019-03-07T00:34:49Z
source:         APNIC

% Information related to 'AS138554 - AS139577'

as-block:       AS138554 - AS139577
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-16T10:38:45Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS138554 - AS139577",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2017-12-08",
    "source" : "APNIC"
  }, {
    "as_block" : "AS138554 - AS139577",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-02-16",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS138678",
    "as_name" : "GTDC-AS-AP",
    "description" : [ "Grandbo Technology Development Corporation" ],
    "country" : "PH",
    "organization" : "ORG-GTDC2-AP",
    "admin_contacts" : [ "GTDC3-AP" ],
    "tech_contacts" : [ "GTDC3-AP" ],
    "abuse_contacts" : [ "AG700-AP" ],
    "mnt_irt" : [ "IRT-GTDC-PH" ],
    "mnt_lower" : [ "MAINT-GTDC-PH" ],
    "mnt_routes" : [ "MAINT-GTDC-PH" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-11-24",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-GTDC-PH",
    "address" : [ "Unit 517 Avida Cityflex Towers, 7th Ave., Fort Bonifacio, Taguig City Metro Manila 1630" ],
    "street" : "7th Ave.",
    "city" : "Taguig City",
    "zip_code" : "1630",
    "email" : [ "noc@grandbo.com.ph" ],
    "abuse_mailbox" : [ "noc@grandbo.com.ph" ],
    "admin_contacts" : [ "GTDC3-AP" ],
    "tech_contacts" : [ "GTDC3-AP" ],
    "remarks" : [ "noc@grandbo.com.ph", "noc@grandbo.com.ph was validated on 2026-01-21" ],
    "mnt_by" : [ "MAINT-GTDC-PH" ],
    "date_updated" : "2026-01-21",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-GTDC2-AP",
    "name" : "Grandbo Technology Development Corporation",
    "type" : "LIR",
    "address" : [ "Unit 517 Avida Cityflex Towers, 7th Ave., Fort Bonifacio" ],
    "street" : "7th Ave.",
    "country" : [ "PH" ],
    "email" : [ "rlemque0311@grandbo.com.ph" ],
    "phone" : [ "+6329017309" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "GTDC3-AP",
    "name" : "Grandbo Technology Development Corporation adminis",
    "address" : [ "Unit 517 Avida Cityflex Towers, 7th Ave., Fort Bonifacio, Taguig City Metro Manila 1630" ],
    "street" : "7th Ave.",
    "city" : "Taguig City",
    "zip_code" : "1630",
    "country" : "PH",
    "email" : [ "rlemque0311@grandbo.com.ph" ],
    "phone" : [ "+6329017309" ],
    "admin_contacts" : [ "GTDC3-AP" ],
    "tech_contacts" : [ "GTDC3-AP" ],
    "mnt_by" : [ "MAINT-GTDC-PH" ],
    "date_updated" : "2019-03-07",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "GTDC3-AP",
    "name" : "Grandbo Technology Development Corporation adminis",
    "address" : [ "Unit 517 Avida Cityflex Towers, 7th Ave., Fort Bonifacio, Taguig City Metro Manila 1630" ],
    "street" : "7th Ave.",
    "city" : "Taguig City",
    "zip_code" : "1630",
    "country" : "PH",
    "email" : [ "rlemque0311@grandbo.com.ph" ],
    "phone" : [ "+6329017309" ],
    "admin_contacts" : [ "GTDC3-AP" ],
    "tech_contacts" : [ "GTDC3-AP" ],
    "mnt_by" : [ "MAINT-GTDC-PH" ],
    "date_updated" : "2019-03-07",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AG700-AP",
    "name" : "ABUSE GTDCPH",
    "address" : [ "Unit 517 Avida Cityflex Towers, 7th Ave., Fort Bonifacio, Taguig City Metro Manila 1630" ],
    "street" : "7th Ave.",
    "city" : "Taguig City",
    "zip_code" : "1630",
    "country" : "ZZ",
    "email" : [ "noc@grandbo.com.ph" ],
    "abuse_mailbox" : [ "noc@grandbo.com.ph" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "GTDC3-AP" ],
    "tech_contacts" : [ "GTDC3-AP" ],
    "remarks" : [ "Generated from irt object IRT-GTDC-PH", "noc@grandbo.com.ph was validated on 2026-01-21" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-01-21",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS141013	Responsible Internet Sustainability Effort	PH
AS9299	Philippine Long Distance Telephone Co.	PH
AS142271	EWS DS Networks Inc	PH
AS141210	Grand Unicom Corp	PH
AS133748	Coretel Networks International Pte Ltd	SG
AS6939	Hurricane Electric LLC	US
AS4775	Globe Telecoms	PH
AS140619	JSLINK INTERNATIONAL CORPORATION	PH
AS133748	CORETEL NETWORKS (INTERNATIONAL) PTE LTD	SG
AS9299	Philippine Long Distance Telephone Company	PH

Upstreams

AS Number	Description	Country
AS9299	Philippine Long Distance Telephone Co.	PH
AS140619	JSLINK INTERNATIONAL CORPORATION	PH
AS141210	Grand Unicom Corp	PH
AS6939	Hurricane Electric LLC	US

Downstreams

AS Number	Description	Country
AS9299	Philippine Long Distance Telephone Co.	PH
AS141210	Grand Unicom Corp	PH
AS133748	Coretel Networks International Pte Ltd	SG
AS139265	V&M INFORMATION TECHNOLOGY INC.	PH